The best productivity tools, ranked by our 4-dimension score.
Showing 60 of 60 tools
Web 
Desktop Free and open-source PDF toolkit with 24 tools for merging, splitting, compressing, converting, signing, editing, OCR, protecting, and watermarking PDF documents. Made in Germany with both online and desktop versions.
Windows Lightweight open-source screenshot tool for Windows with simple annotation and Office integration.
Web Desktop Online PDF editor for editing, signing, merging, splitting, compressing, converting, OCR, and adding page numbers. Transparent pricing with a fair free tier and no-signup-required processing for basic tasks.
macOS Ultra-lightweight Mac screenshot tool at 2.3MB offering pixel ruler OCR scrolling capture and image compression at great value.
Web 
API Browser-based AI image upscaler with 7 specialized models (Prime, Strong, Ultra, Digital Art, Gentle, Old Photo, Colorize) for different content types. Up to 16x upscaling with 512MP output, batch processing up to 20 images, and API access via Claid.ai. Most reliable user-review dataset in this tag (4.7 average from 182 product-specific reviews). Credit-based pricing from $9/month.
Windows The most powerful free and open-source screenshot tool for Windows with 20+ capture modes, 80+ upload destinations, and extensive automation.
macOS Premier all-in-one screenshot and screen recording app for macOS with elegant native design and smart folder organization.
Linux Mac Windows Free open-source cross-platform screenshot tool with in-capture annotation CLI support and Linux compatibility for developers.
Web Smart PNG and JPEG compression that dramatically reduces file size without perceptible quality loss.
Mac Windows Industry-leading professional screenshot and screen recording tool with intuitive annotation, scrolling capture, and cross-platform support.
Web 
iOS Android All-in-one design platform with one-click AI background removal, erase and restore brushes, and seamless design editor integration. Ideal for creative workflows where background removal is part of a broader design task. Free tier available, though background removal is a Pro feature. Widely recommended for its simplicity and ease of use across web, desktop, and mobile.
Web iOS Android Industry-leading AI background removal with advanced hair detail detection.
macOS Windows Free desktop HEIC to JPG converter for Mac and Windows with drag-and-drop batch processing, offline privacy, and no file size limits. Converts HEIC/HEIF images to JPEG or PNG locally without uploading to any cloud server.
Windows macOS GPU-accelerated desktop image enhancer with up to 32K resolution output and 8x upscaling. Supports NVIDIA, Intel, and AMD GPUs for fast local processing. Also handles denoising, deblurring, and face restoration. Available as $75/year subscription or $99 lifetime license. Curious Refuge rates it 8.9/10.
Chrome Mac Windows Ultra-fast cross-platform screenshot tool that captures annotates and shares screenshots via cloud link in under two seconds.
Web Free browser-based Photoshop clone supporting 50+ file formats including PSD, AI, INDD, RAW, SVG, Figma, and PDF. Offers layers, masks, Smart Objects, blending modes, vector editing, RAW development, batch processing, content-aware fill, AI inpainting, and one-click background removal. The most feature-complete free online photo editor, running entirely in-browser with no installation required.
Windows Free lightweight image viewer for Windows with batch conversion supporting HEIC via plugins. Handles 500+ image formats with powerful batch processing capabilities for converting HEIC photos to JPG or PNG in bulk.
Web Google's free image compressor that runs entirely in your browser using WebAssembly. Compress images to WebP, AVIF, or MozJPEG with a real-time quality slider and before-and-after preview for lossless file size reduction.
Web Desktop Free online image compressor and batch image processing tool with resize, crop, convert, and watermark features. Supports HEIC to JPG conversion and handles multiple formats in one platform for quick file size reduction.
Web iOS Android AI-powered online photo editor with Magic Eraser, one-click background removal, AI image generation, AI upscaling, text removal, generative expand, portrait touch-up, and eCommerce virtual try-on. Ranked
Web Free online batch image resizer that handles multiple images at once. Drag and drop your photos, set target dimensions, and download all resized images in one click. Designed for ecommerce sellers, social media managers, and anyone who needs to resize photos in bulk without installing software. Completely free with no sign-up required.
Windows macOS Linux Web Free and open-source AI image upscaler backed by Y-Combinator. Desktop app with fully local processing for maximum privacy — no uploads, no cloud dependency. Up to 16x upscaling with multiple AI models including anime and photo modes. Consensus best free option across 3 of 4 benchmark articles. Paid cloud tier available with credit system for users who want server-side processing.
Web Desktop Mobile Popular online PDF platform for merging, splitting, compressing, converting, signing, editing, protecting, watermarking, and adding page numbers to PDF documents. Available on web, desktop, and mobile with a generous free tier.
Web Windows macOS iOS Industry-standard professional image upscaler with 9 AI models for different content types (Standard, High Fidelity, Low Res, Text & Shapes, Art & CG, Recover, Redefine, Face Recovery). Fully local processing with no uploads required. 8x upscaling with up to 32K output. Subscription from $29/month or included in Topaz Studio bundle. Most-discussed option in this tag's public reviews, ranked
Web iOS Android Free online background remover with no signup required, offering transparent PNG export and basic background replacement. Best for quick, no-friction cutouts of hard-edged product photos. While the zero-barrier entry and free full-resolution downloads are appealing, edge quality on portraits and hair is noticeably behind specialist competitors like remove-bg.
Web iOS Android Adobe-powered background remover using Sensei AI for professional-grade cutouts with generative fill, pixel-level control, and HSL color matching. Best free offering among competitors — no signup required for basic use, full-resolution downloads, no watermarks. Strongest for users already in the Adobe ecosystem, though the web app is heavier than one-click alternatives and requires an Adobe account for saves.
Web Fast, affordable background removal for e-commerce and product photography.
Free open-source RAW photo developer and non-destructive editor. Export RAW and standard image formats to JPG, PNG, TIFF, or WebP while preserving full EXIF metadata. Module-based workflow with color management, tethered shooting, and OpenCL acceleration. Ideal for photographers replacing Lightroom who need batch RAW-to-JPG conversion with professional-grade color science.
Windows Free screen recording and screenshot tool with cloud sharing links — use with extreme caution due to spyware accusations.
Web 
WordPress API WordPress image optimizer plugin with automatic AVIF and WebP conversion for faster loading times. Offers lossy, lossless, and glossy compression modes with bulk image optimization and CDN-ready output for image-heavy websites.
Web iOS Android Adobe-powered background remover using Sensei AI for professional-grade cutouts with generative fill, pixel-level control, and HSL color matching. Best free offering among competitors — no signup required for basic use, full-resolution downloads, no watermarks. Strongest for users already in the Adobe ecosystem, though the web app is heavier than one-click alternatives and requires an Adobe account for saves.
Windows Built-in Windows photo viewer and editor with native HEIC support since Windows 10 version 1809. View and export HEIC photos as JPG without installing any additional software.
Web AI-powered online watermark remover with automatic detection and one-click removal. Processes JPG, PNG, WebP, and HEIC images via drag-and-drop upload. Part of the Pixelbin ecosystem alongside erase.bg. Ranked
Free open-source image editor with export to JPG, PNG, WebP, TIFF, HEIC, BMP, GIF, PSD, and 40+ other formats. Full layer-based editing with masks, filters, and scripting via Python and Scheme. Cross-platform on Linux, macOS, and Windows. Best for users who need both editing and format conversion in one tool, not for pure conversion-only workflows.
Web AI creative studio with image upscaling as one of many features. 10M+ users with Google Trends rising +4400%. Upscaling up to 2K on free tier and 22K on paid plans. Also offers image generation, video, LoRA training, and real-time generation. Very fast processing but texture rendering quality trails specialist tools. Generalist platform — upscaling is one feature among many.
Web iOS Android All-in-one PDF platform for compressing, converting, merging, editing, and signing PDF documents.
Windows macOS Linux Free cross-platform batch image converter supporting HEIC and 500+ formats on Windows, macOS, and Linux. Features quality settings, metadata editing, and a versatile batch processing engine for HEIC-to-JPG conversion.
Web Windows macOS iOS Android Batch image upscaler from German software company Nero AG, with 21M+ images processed. Available as web app, desktop app (Windows/macOS), and mobile apps (iOS/Android). Batch processing up to 30 images on Pro plan. Pro Pass at $8.83/month yearly. API available for business integration. Aggregate user rating of 4.7 but flagged as potentially inflated due to many short, generic reviews.
Linux macOS Windows iOS Android Free open-source command-line image processing library supporting 200+ image formats including PNG, JPG, WebP, HEIC, AVIF, TIFF, RAW, GIF, SVG, and PDF. Available as CLI tool and library bindings for C/C++/Perl/Python/PHP/Ruby. Powers most web-based image converters under the hood. Ideal for developers and system administrators who need scriptable batch image conversion.
Web iOS Android Browser-based photo editor with AI-powered features including generative fill, AI noise reduction, AI sharpening, background removal, and AI image generation. Offers layer support, blending modes, and a familiar Photoshop-like interface. Available as Pixlr X (quick edits) and Pixlr E (advanced editor with layers). Freemium model with limited free saves per day.
Web API Online file conversion platform supporting 200+ format pairs including HEIC to JPG and PNG. Offers batch processing, quality settings, API access, and 10 free conversions per day with credit-based pricing.
Free online image resizer with a simple one-page upload-resize-download workflow. Supports custom dimensions, preset sizes (avatar, thumbnail, small, medium, large), basic effects (rotate, flip, crop), and format selection. No sign-up required, no usage limits, no paid tier. Ideal for users who need a quick one-time resize without navigating a complex interface.
Web API Free online file converter supporting HEIC to JPG conversion with a generous 1GB file size limit, batch processing, and API access. Converts 200+ file formats including images, videos, and documents.
Web Online PDF editor focused on editing, signing, annotating, filling forms, whiteout, and password protection. Once a beloved free tool, severely degraded by a December 2022 UI overhaul that users widely condemn.
Web iOS Android AI-powered photo editing suite with background removal, shadows, and batch processing for e-commerce.
Chrome Mac Windows PCMag Editor's Choice screen recording and screenshot tool with AI captioning for training content creation.
Web Simple online file converter with HEIC to JPG support among various format conversion options.
macOS Built-in macOS automation tool that can batch-convert HEIC photos to JPG via Quick Actions. Pre-installed on all Macs with no download required, but requires technical setup for HEIC conversion workflows.
Web API Online file conversion service supporting HEIC to JPG conversion among various image, audio, video, and document formats.
Windows Free Windows Store app for batch-converting HEIC files to JPG and PNG. Supports unlimited batch processing with no fees, license, or registration required.
Web iOS Android Online photo editor, collage maker, and graphic design tool founded in 2007. Offers photo editing with touch-up tools, effects, filters, background replacement, and AI-powered features. Known for high-resolution exports and Chromebook compatibility. Freemium model with watermarked free exports.
Web Affordable specialist image upscaler starting at just $2/month with exceptional text rendering quality. Ranked
Web Creative AI image upscaler known for artistic reimagination and creative upscaling. Ranked
Web iOS Android Photo printing and personalized product platform with basic image resize capabilities. Users can upload photos, resize them for print orders, and order physical prints, photo books, cards, and wall art. The resize functionality is integrated into the photo printing workflow — upload a photo, adjust dimensions, and place a print order. Not a dedicated resizer; resize is a step in the print ordering process.
Web Desktop Open-source image upscaler originally designed for anime-style images but also works on photos. Completely free with no paid tier. Available as web app and desktop application. Uses convolutional neural networks for noise reduction and upscaling. Pre-dates modern AI upscalers — technology is dated compared to current AI-based alternatives. Niche following in Japanese and Asian markets.
Web iOS Android Online photo editor and graphic design tool offering photo editing, templates, collage creation, and social media design tools. Acquired by Shutterstock in 2021. Provides background removal, color correction, touch-up tools, and a template library. No free tier — requires subscription from $7.99/month.
Web Batch watermark removal specialist handling bulk processing of 100+ images in one session. SERP
Web AI-powered watermark removal tool rated best for output quality in direct user comparisons against WatermarkRemover.io and Dewatermark. SERP
Web-based AI image and video enhancement suite with consistently strong user ratings. Combines image upscaling, denoising, sharpening, and background removal in one platform. Web-based with no installation required. Solid entry-level pricing at $7.95/mo with free tier for basic use. Power users prefer desktop alternatives for local processing.
Web Web-based multi-tool platform combining background removal and AI upscaling. Free tier available with limited usage. Web-based with reasonable UI. The 1.4-star average user rating across 40 reviews indicates widespread dissatisfaction with the overall platform — likely from mixed-product page issues similar to Adobe Express pattern. Best suited for users who need both cutout and upscale in one platform and are willing to tolerate the service quality concerns.